#include <cr.h>
#include <entt/core/hashed_string.hpp>
#include <entt/locator/locator.hpp>
#include <entt/meta/context.hpp>
#include <entt/meta/factory.hpp>
#include <entt/meta/meta.hpp>
#include "../common/types.h"

namespace plugin {

position create_position(int x, int y) {
  return position{x, y};
}

void set_up() {
  using namespace entt::literals;

  entt::meta<position>()
      .type("position"_hs)
      .ctor<&create_position>()
      .data<&position::x>("x"_hs)
      .data<&position::y>("y"_hs);

  entt::meta<velocity>()
      .type("velocity"_hs)
      .ctor<>()
      .data<&velocity::dx>("dx"_hs)
      .data<&velocity::dy>("dy"_hs);
}

void tear_down() {
  entt::meta_reset<position>();
  entt::meta_reset<velocity>();
}

CR_EXPORT int cr_main(cr_plugin *ctx, cr_op operation) {
  switch (operation) {
    case CR_LOAD:entt::locator<entt::meta_ctx>::reset(static_cast<userdata *>(ctx->userdata)->ctx);
      set_up();
      break;
    case CR_STEP:static_cast<userdata *>(ctx->userdata)->any = 42;
      break;
    case CR_UNLOAD:
    case CR_CLOSE:tear_down();
      break;
  }

  return 0;
}
}